Listeria monocytogenes is an organism, which can cause serious and sometimes fatal infections in pregnant women, young children, frail or elderly people, and others with weakened immune systems. Although healthy individuals may suffer only short-term symptoms such as high fever, severe headache, stiffness, nausea, abdominal pain and diarrhea, Listeria monocytogenes infection can cause miscarriages and stillbirths among pregnant women.

People who have purchased any of the above products are urged not to consume the products and to destroy it. All retailers who received the products are being contacted. Any questions can be directed to 1-888-851-8456. Details also can be found here. Clif Bar is consulting with the FDA on this voluntary recall.